Finding the Fourth Proportional to 8,695,967.36, 12,985,392.64 and 7,101,693.12
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Solution
The fourth proportional to 8,695,967.36, 12,985,392.64 and 7,101,693.12 is: 10,604,717.08
Step by Step Solution
- Step 1: Write the proportion equation
8,695,967.36 : 12,985,392.64 = 7,101,693.12 : x - Step 2: Convert to fraction form
8,695,967.36/12,985,392.64 = 7,101,693.12/x - Step 3: Cross multiply
8,695,967.36x = 12,985,392.64 × 7,101,693.12 - Step 4: Simplify right side
8,695,967.36x = 92,218,273,571,986.64 - Step 5: Solve for x
x = 92,218,273,571,986.64/8,695,967.36 - Step 6: Final answer
x = 10,604,717.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.